Re: New GSoC microproject ideas

From: Jeff King <peff@peff.net>
Date: Mar 12, 2014, 19:21 UTC
Message-ID: <20140312192108.GA1601@sigill.intra.peff.net>
In-Reply-To: <87wqfzi5wa.fsf@fencepost.gnu.org>

On Wed, Mar 12, 2014 at 08:16:53PM +0100, David Kastrup wrote:

Show 21 quoted lines

> Junio C Hamano <gitster@pobox.com> writes:
> 
> > Here is another, as I seem to have managed to kill another one ;-)
> >
> > -- >8 --
> >
> > "VAR=VAL command" is sufficient to run 'command' with environment
> > variable VAR set to value VAL without affecting the environment of
> > the shell itself, but we cannot do the same with a shell function
> > (most notably, "test_must_fail");
> 
> No? bash:
> 
> dak@lola:/usr/local/tmp/lilypond$ zippo()
> > {
> > echo $XXX
> > echo $XXX
> > }
> dak@lola:/usr/local/tmp/lilypond$ XXX=8 zippo
> 8
> 8

Try:

  zippo() {
    echo $XXX
  }
  XXX=8 zippo
  zippo

XXX remains set after the first call under dash (but not bash). I believe "ash" has the same behavior.

-Peff